import { Logger } from "./Logger";
const containsEmoji = require('contains-emoji');

export class IdentifiUtil {


	// 检查身份信息的合法性
	public static checkInfoValue(nstr: string, cstr: string) {
		// 先判断输入是否为空
		if (nstr == "" || cstr == "") {
			return 1;
		}
		if (nstr.length < 2) {
			return 2;
		}
		if (!this.checkCard(cstr)) {
			return 3;
		}
		return 0;
	}

	public static checkCard(obj: string) {
		//校验长度，类型 
		if (this.isCardNo(obj) === false) {
			return false;
		}
		//检查省份 
		if (this.checkProvince(obj) === false) {
			return false;
		}
		//校验生日 
		if (this.checkBirthday(obj) === false) {
			return false;
		}
		//检验位的检测 
		if (this.checkParity(obj) === false) {
			return false;
		}
		return true;
	}

	//检查号码是否符合规范，包括长度，类型 
	public static isCardNo(obj: string) {
		//身份证号码为15位或者18位，15位时全为数字，18位前17位为数字，最后一位是校验位，可能为数字或字符X 
		var reg = /(^\d{15}$)|(^\d{17}(\d|X)$)/;
		if (reg.test(obj) === false) {
			return false;
		}
		return true;
	}

	//取身份证前两位,校验省份 
	public static checkProvince(obj: string) {
		var vcity = { 11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "内蒙古", 21: "辽宁", 22: "吉林", 23: "黑龙江", 31: "上海", 32: "江苏", 33: "浙江", 34: "安徽", 35: "福建", 36: "江西", 37: "山东", 41: "河南", 42: "湖北", 43: "湖南", 44: "广东", 45: "广西", 46: "海南", 50: "重庆", 51: "四川", 52: "贵州", 53: "云南", 54: "西藏", 61: "陕西", 62: "甘肃", 63: "青海", 64: "宁夏", 65: "新疆", 71: "台湾", 81: "香港", 82: "澳门", 91: "国外" }

		var province = obj.substr(0, 2);
		if (vcity[province] == undefined) {
			return false;
		}
		return true;
	}

	//检查生日是否正确 
	public static checkBirthday(obj: string) {
		var len = obj.length;
		//身份证15位时，次序为省（3位）市（3位）年（2位）月（2位）日（2位）校验位（3位），皆为数字 
		if (len == 15) {
			var re_fifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/;
			var arr_data = obj.match(re_fifteen);
			var year = arr_data[2];
			var month = arr_data[3];
			var day = arr_data[4];
			var birthday = new Date('19' + year + '/' + month + '/' + day);
			return this.verifyBirthday('19' + year, month, day, birthday);
		}
		//身份证18位时，次序为省（3位）市（3位）年（4位）月（2位）日（2位）校验位（4位），校验位末尾可能为X 
		if (len == 18) {
			var re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/;
			var arr_data = obj.match(re_eighteen);
			var year = arr_data[2];
			var month = arr_data[3];
			var day = arr_data[4];
			var birthday = new Date(year + '/' + month + '/' + day);
			return this.verifyBirthday(year, month, day, birthday);
		}
		return false;
	}

	//校验日期 
	public static verifyBirthday(year: any, month: any, day: any, birthday: any) {
		var now = new Date();
		var now_year = now.getFullYear();
		//年月日是否合理 
		if (birthday.getFullYear() == year && (birthday.getMonth() + 1) == month && birthday.getDate() == day) {
			//判断年份的范围（3岁到100岁之间) 
			var time = now_year - year;
			if (time >= 0 && time <= 130) {
				return true;
			}
			return false;
		}
		return false;
	}

	//校验位的检测 
	public static checkParity(obj) {
		//15位转18位 
		obj = this.changeFivteenToEighteen(obj);
		var len = obj.length;
		if (len == '18') {
			var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
			var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
			var cardTemp = 0, i, valnum;
			for (i = 0; i < 17; i++) {
				cardTemp += obj.substr(i, 1) * arrInt[i];
			}
			valnum = arrCh[cardTemp % 11];
			if (valnum == obj.substr(17, 1)) {
				return true;
			}
			return false;
		}
		return false;
	}

	//15位转18位身份证号 
	public static changeFivteenToEighteen(obj) {
		if (obj.length == '15') {
			var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
			var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
			var cardTemp = 0, i;
			obj = obj.substr(0, 6) + '19' + obj.substr(6, obj.length - 6);
			for (i = 0; i < 17; i++) {
				cardTemp += obj.substr(i, 1) * arrInt[i];
			}
			obj += arrCh[cardTemp % 11];
			return obj;
		}
		return obj;
	}


	public static isEmojiCharacter(checkStr: string) {
		if (containsEmoji(checkStr)) {
			return true
		}
	}
}